Windows 10: Ethernet/Internet speed suddenly dropping really low

Discus and support Ethernet/Internet speed suddenly dropping really low in Windows 10 Network and Sharing to solve the problem; This problem has been happening to me for the past couple of months now, and I can't seem to find a fix. For a couple days at a time, my... Discussion in 'Windows 10 Network and Sharing' started by Ethan Oh, Jun 1, 2024.

  1. ETHAN OH
    Ethan Oh Win User

    Ethernet/Internet speed suddenly dropping really low


    This problem has been happening to me for the past couple of months now, and I can't seem to find a fix. For a couple days at a time, my ethernet/internet speeds drop down to as low as 0.5 megabits per second. The problem seems to resolve itself after a few days, but I want to fix it, as it is now the 4th time this has happened to me. I usually get around 200 megabits per second.

    :)
     
    Ethan Oh, Jun 1, 2024
    #1
  2. KAUAI
    Kauai Win User

    LAN Upload speed suddenly low

    Hello

    My LAN upload speed suddenly (after Windows update) dropped to 1 Mbps. The normal upload speed should be around 60 Mbps. The download speed is still normal (about 600 Mbps). The wireless speed hasn't changed, it is still working well. This upload speed drop happened on one computer only. All other computers have full download/upload speed. Therefore, the network is working well. I also checked the cable, and the same cable on another computer works perfectly.

    I tried to fix the problem by following all suggestions in the thread LAN Upload speed suddenly extremly low - Microsoft Community.

    I tried clean boot, Windows repair, BIOS update, driver update, network reset, nothing helped.

    After a winsock reset (netsh winsock reset), even the download speed dropped to 30 Mbps and it took me several hours and a lot of luck to get back the 600 Mbps download speed. However, the upload speed is still less than 1 Mbps in average. It starts with 3 Mbps and falls down to 0 during the speed test.

    Any help is welcome.

    Chris
     
    Kauai, Jun 1, 2024
    #2
  3. BREAGHA
    Breagha Win User
    Recent drop in internet speed on wireless; ethernet OK

    Asus laptop, approx 5yo. Windows 10, 64 bit. Version 21H1. All devices up to date via Windows Update. A couple of weeks ago I started noticing that my wireless internet seed, down-and-upload, was dropping from 70 Mbps to anything from 25-56 (Ookla). Ethernet speed is perfect. Other devices show no drop in speed on wireless. I have re-installed the network driver: Realtek 8821AE wireless LAN 802. 11ac PC1-E NIC When running speedtest.net, the download speed starts fine, at a good speed, but suddenly drops, and does not recover fully. This happens every time I test. Ideas welcome!
     
    Breagha, Jun 1, 2024
    #3
  4. GAURAV THAPA
    Gaurav Thapa Win User

    Ethernet/Internet speed suddenly dropping really low

    Why is my internet speed dropping suddenly to kbps?

    My internet speed suddenly drops to few kbps. The only thing that fixes it is to toggle the airplane mode off and on again.
     
    Gaurav Thapa, Jun 1, 2024
    #4
Thema:

Ethernet/Internet speed suddenly dropping really low

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